Home / 9,439.20-13,025.16-7,202.52

Finding the Fourth Proportional to 9,439.20, 13,025.16 and 7,202.52

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Solution

The fourth proportional to 9,439.20, 13,025.16 and 7,202.52 is: 9,938.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,439.20 : 13,025.16 = 7,202.52 : x
  2. Step 2: Convert to fraction form
    9,439.20/13,025.16 = 7,202.52/x
  3. Step 3: Cross multiply
    9,439.20x = 13,025.16 × 7,202.52
  4. Step 4: Simplify right side
    9,439.20x = 93,813,975.40
  5. Step 5: Solve for x
    x = 93,813,975.40/9,439.20
  6. Step 6: Final answer
    x = 9,938.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.